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# Magnetic Field Produced by Straight Currents Solutions Library

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61 solutions

Magnetic Field Produced by Straight Currents

#### Q. A coaxial cable consists of a solid inner conductor of radius R1 surrounded by a concentric cylindrical tube of inner radius R2 and outer radius R3...

Solved • Jan 21, 2021

Magnetic Field Produced by Straight Currents

#### Q. The figure shows a 21 cm long metal rod pulled along two frictionless, conducting rails at a constant speed of 3.0 m/s. The rails have negligible r...

Solved • Dec 16, 2020

Magnetic Field Produced by Straight Currents

#### Q. What is the direction of the magnetic field inside the tube?a. clockwiseb. counterclockwisec. radially inward to the centerd. radially outward from...

Solved • Oct 12, 2020

Magnetic Field Produced by Straight Currents

#### Q. For the following two questions consider the wire shown in the figure. (Figure 1)Part AWhat is the direction of the magnetic field BA→ at Point A?a...

Solved • Oct 12, 2020

Magnetic Field Produced by Straight Currents

#### Q. Part APoint M is located a distance 2d from the midpoint between the two wires. Find the magnitude of the magnetic field B1M created at point M by ...

Solved • Sep 22, 2020

Magnetic Field Produced by Straight Currents

#### Q. I = 8.0 AA. What is the magnetic field B at point a in the figure? Give your answer as vector.B. What is the magnetic field B at point b in the fig...

Solved • Sep 22, 2020

Magnetic Field Produced by Straight Currents

#### Q. Part A. What is the magnetic field strength at point 1 in the figure? Express your answer using two significant figures.Part B. What is the magneti...

Solved • Sep 22, 2020

Magnetic Field Produced by Straight Currents

#### Q. Assume that I = 11 A .Part AWhat is the magnetic field strength at point c?Part BWhat is the direction of the magnetic field strength at point c?

Solved • Jul 31, 2020

Magnetic Field Produced by Straight Currents

#### Q. Assume that I = 11 A .Part AWhat is the magnetic field strength at point b?Part BWhat is the direction of the magnetic field strength at point b?

Solved • Jul 31, 2020

Magnetic Field Produced by Straight Currents

#### Q. (a) What is the direction of the magnetic field at Point C? (b) What is the direction of the magnetic field at Point D? (c) What is the direction o...

Solved • Jul 24, 2020

Magnetic Field Produced by Straight Currents

#### Q. Four current carrying wires are arranged in the corners of a square as shown in the picture.Magnetic field in the center of the square is directed ...

Solved • Jul 20, 2020

Magnetic Field Produced by Straight Currents

#### Q. Assume that I = 11 A .Part AWhat is the magnetic field strength at point a? Express your answer to two significant figures and include the appropri...

Solved • Jul 20, 2020

Magnetic Field Produced by Straight Currents

#### Q. Two long, straight, parallel wires, 10.0 cm apart carry equal 4.00-A currents in the same direction, as shown in the figure.Part AFind the magnitud...

Solved • Jul 17, 2020

Magnetic Field Produced by Straight Currents

#### Q. A steady current I is flowing through a straight wire of finite length.Part AFind B1, the magnitude of the magnetic field generated by this wire at...

Solved • Jul 16, 2020

Magnetic Field Produced by Straight Currents

#### Q. What is the direction of the magnetic field Bc at Point C?a. Bc is out of the pageb. Bc is into the pagec. Bc is neither out of nor into the page a...

Solved • Jul 16, 2020

Magnetic Field Produced by Straight Currents

#### Q. Find the direction of the magnetic field at each of the indicated points.What is the direction of the magnetic field Bc at Point C?A. Bc is out of ...

Solved • Jul 15, 2020

Magnetic Field Produced by Straight Currents

#### Q. A 9.0-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. The total resistance of the wire and rail is 0.33 ...

Solved • Jul 15, 2020

Magnetic Field Produced by Straight Currents

#### Q. A device called a railgun uses the magnetic force on currents to launch projectiles at very high speeds. An idealized model of a railgun is illustr...

Solved • Jul 14, 2020

Magnetic Field Produced by Straight Currents

#### Q. Although the evidence is weak, there has been concern in recent years over possible health effects from the magnetic fields generated by transmissi...

Solved • Jul 14, 2020

Magnetic Field Produced by Straight Currents

#### Q. Find the direction of the magnetic field at each of the indicated pointsWhat is the direction of the magnetic field BB at Point B?

Solved • Jul 14, 2020

Magnetic Field Produced by Straight Currents

#### Q. The position relative to the wires of the magnetic field of the current perpendicular to the Earth's magnetic field is east of the wire. Draw two v...

Solved • Jul 14, 2020

Magnetic Field Produced by Straight Currents

#### Q. Consider the wires shown in (Figure 1). the upper wire carries the current I1 = 20A.What should the current I2 be in the lower wire such that the m...

Solved • Jul 14, 2020

Magnetic Field Produced by Straight Currents

#### Q. Two long wires are parallel and carry current in opposite directions. The currents are 8.0 and 12 A and the wires are separated by 0.40 cm. The mag...

Solved • Jul 14, 2020

Magnetic Field Produced by Straight Currents

#### Q. Two parallel wires carry a current in the same direction. There is ___________ between the wires.A. a repulsive forceB. no forceC. an attractive force

Solved • Jul 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. The magnetic field lines due to a straight, current-carrying wire are __________.A. straight lines parallel to the wireB. circles around the wireC....

Solved • Jul 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. What is the most convenient way to represent the niobium wire in your figure?A. In the plane of the paper with the current flowing horizontally.B. ...

Solved • Jul 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. The figure shows a cross-section of three long straight current-carrying wires. Notice we are using the common convention that crosses denote vecto...

Solved • Jul 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. The figure shows a cross-section of three long straight current-carrying wires. Notice we are using the common convention that crosses denote vecto...

Solved • Jul 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. Shown at the right is a cross-sectional view of two long straight wires that are parallel to one another. One wire carries current io out of the pa...

Solved • Jul 1, 2020

Magnetic Field Produced by Straight Currents

#### Q. Part B) Two long thin parallel wires 13.0 cm apart carry 25-A currents in the same direction. Determine the magnitude of the magnetic field vector ...

Solved • Jul 1, 2020

Magnetic Field Produced by Straight Currents

#### Q. Two wires lie perpendicular to the plane of the paper, and equal electric currents pass through the paper in the directions shown. Point P is equid...

Solved • May 18, 2020

Magnetic Field Produced by Straight Currents

#### Q. Two long, straight, parallel wires. 10.0 cm apart carry equal 4.00-A currents in the same direction. as shown in the figureFind the magnitude of th...

Solved • May 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. Two closed loops A and C are close to a long wire carrying a current(a) Find the direction (clockwise or counterclockwise) of the current induced i...

Solved • May 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. A steady current I is flowing through a straight wire of finite length. Now find B2, the magnetic field generated by this wire at a point P located...

Solved • May 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. Two wires lie perpendicular to the plane of the paper, and equal electric currents pass through the paper in the directions shown. Point P is equid...

Solved • May 11, 2020

Magnetic Field Produced by Straight Currents

#### Q. What creates a magnetic field? More than one answer may be correct.a. a stationary conductor carrying electric currentb. a moving object with elect...

Solved • May 1, 2020

Magnetic Field Produced by Straight Currents

#### Q. The diagram shows the cross section of wire carrying conventional positive current into the plane of the page. (You may ignore the earth's magnetic...

Solved • Apr 22, 2020

Magnetic Field Produced by Straight Currents

#### Q. Part A: Point M is located a distance  from the midpoint between the two wires. Find the magnitude of the magnetic field  created at point M by wir...

Solved • Apr 20, 2020

Magnetic Field Produced by Straight Currents

#### Q. A long, straight wire extends into and out of the screen. The current in the wire isa) Out of the screen.b) There is no current in the wire.c) Into...

Solved • Apr 13, 2020

Magnetic Field Produced by Straight Currents

#### Q. A long wire carries current I. The wire is straight except for one square-shaped "half-loop" KLMN as shown (Figure 1). Assume that d is a known qua...

Solved • Apr 8, 2020

Magnetic Field Produced by Straight Currents

#### Q. A long, straight wire lies along the y-axis and carries a current 8.00 A in the -y-direction (Figure 1). In addition to the magnetic field due to t...

Solved • Apr 7, 2020

Magnetic Field Produced by Straight Currents

#### Q. The magnetic field 10 cm from a wire carrying a 1 A current is 2 μT. What is the field 4 cm from the wire? Express your answer with the appropriate...

Solved • Apr 7, 2020

Magnetic Field Produced by Straight Currents

#### Q. A long straight horizontal wire carries a current = 2.10 A to the left. A positive 1.00 C charge moves to the right at a distance 1.50 m above the ...

Solved • Apr 7, 2020

Magnetic Field Produced by Straight Currents

#### Q. MEASURING EARTH'S MAGNETIC FIELDThe goal of this section of the lab is to measure the Earth's magnetic field. Since the β-field produced by the Ear...

Solved • Mar 18, 2020

Magnetic Field Produced by Straight Currents

#### Q. (a) What is the magnitude of the torque on the current loop in the figure? Express your answer using two significant figures.(b) What is the loop's...

Solved • Mar 11, 2020

Magnetic Field Produced by Straight Currents

#### Q. The figure represents two long, straight, parallel wires carrying equal currents extending in a direction perpendicular to the page. The current in...

Solved • Jun 26, 2017

Magnetic Field Produced by Straight Currents

#### Q. Two long wires carrying currents I 1 and I2 in the directions shown, with I 2 = 4I1, cross at right angles in the xy plane. Consider the points A =...

Solved • May 1, 2017

Magnetic Field Produced by Straight Currents

#### Q. In the figure below, the two long straight wires are separated by a distance of d = 0.40 m. The currents are I1 = 1.0 A to the right in the upper w...

Solved • Mar 29, 2017

Magnetic Field Produced by Straight Currents

#### Q. Four long parallel wires each carry 10.0 A of current in the direction shown. The wires are at the corners of a square that is 10.0 cm on a side. W...

Solved • Mar 29, 2017

Magnetic Field Produced by Straight Currents

#### Q. The magnetic field created by a long straight wire carrying a current iA) decreases by a factor of four as the distance doubles.B) increases by a f...

Solved • Mar 28, 2017

Magnetic Field Produced by Straight Currents

#### Q. A long, straight wire lies along the y-axis and carries current in the positive y-direction. A positive point charge moves along the x-axis in the ...

Solved • Mar 23, 2017

Magnetic Field Produced by Straight Currents

#### Q. At what distance from the central axis of a long straight thin wire carrying a current of 5.0 A is the magnitude of the magnetic field due to the w...

Solved • Feb 28, 2017

Magnetic Field Produced by Straight Currents

#### Q. The figure shows four different sets of insulated wires that cross each other at right angles without making electrical contact. The magnitude of t...

Solved • Feb 28, 2017

Magnetic Field Produced by Straight Currents

#### Q. Two long parallel wires carry currents of 20 A and 5 A in opposite directions. The wires are separated by 0.20 m. What is the magnitude of the magn...

Solved • Feb 28, 2017

Magnetic Field Produced by Straight Currents

#### Q. Two long straight parallel wires carry currents as shown in the sketch. Point  A is midway between the two wires, 0.20 m from each wire. What are t...

Solved • Feb 22, 2017

Magnetic Field Produced by Straight Currents

#### Q. A long straight wire carries a current of I = 3.00 A directed to the left, as shown in the sketch. A small sphere with negative charge q = -5.00 x ...

Solved • Jan 26, 2017

Magnetic Field Produced by Straight Currents

#### Q. A long straight wire carries a current of I = 3.00 A directed to the left, as shown in the sketch. A small sphere with negative charge q = -5.00 x ...

Solved • Jan 26, 2017

Magnetic Field Produced by Straight Currents

#### Q. In the figure, the two long straight wires are separated by a distance of d = 0.40 m. The currents are I1 = 1.0 A to the right in the upper wire an...

Solved • Jan 10, 2017

Magnetic Field Produced by Straight Currents

#### Q. Three very long, straight, parallel wires each carry currents of 4 A, directed out of the page in the drawing in Figure 3. The wires pass through t...

Solved • Jan 10, 2017

Magnetic Field Produced by Straight Currents

#### Q. A very long straight current-carrying wire produces a magnetic field of 20 mT at a distance d from the wire. To measure a field of 5 mT due to this...

Solved • Jan 9, 2017

Magnetic Field Produced by Straight Currents

#### Q. The magnetic field at a certain distance from a wire carrying 2-A current is 4 μT. What will be the magnetic field if the current in the wire is do...

Solved • Dec 22, 2016